on 10-20-2017 07:16 AM
Go to the "My Vehicles" section of eBay Garage (the car keys icon on the top right banner) - the link is below.
Click “Edit Vehicle” under the vehicle(s) you would like to remove, and on the next screen, look for the red “Remove this vehicle” button on the far, far upper right.
http://www.ebay.com/motors/garage